/Engine/Source/Runtime/Experimental/GeometryCollectionEngine/Public/GeometryCollection/GeometryCollectionComponent.h
Just test version to skip having to traverse the whole pose array for replication.
bool Identical ( const [FGeometryCollectionRepData](API\Runtime\GeometryCollectionEngine\GeometryCollection\FGeometryCollect-_20) * Other, uint32 PortFlags ) const